.banner {
  width: 1900px;
  height: 240px;
  background: url(../images/download.png);
}

.content {
  position: relative;
}

.navButton {
  position: absolute;
  top: -53px;
  display: flex;
  width: 100%;
  flex-direction: row;
  justify-content: space-around;
  color: #333333;
  font-size: 20px;

}

.navButton span {
  width: 250px;
  height: 67px;
  text-align: center;
  font-weight: 400;
  line-height: 67px;
  border: #FFFEFD solid 1px;
  border-radius: 10px 0 10px 0;
  box-shadow: 0px 3px 4px 0px rgba(157, 157, 157, 0.35);
  background-color: #FFFEFD;
  cursor: pointer;
}

.navButton .active {
  color: #FC5E1B;
  box-shadow: none;
}

.item {
  display: flex;
  padding: 70px 0 100px 0;
  justify-content: center;
}

.hide {
  display: none;
}

.hide:nth-child(2) {
  display: block;
}

.item>img {
  height: 226px;
}

.item>ul {
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 512px;
}


.item>ul>li>p {
  color: #666666;
  font-size: 18px;
  font-weight: 400;
}